<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            background-color: #333;

        }

        .box {
            position: relative;
            width: 747px;
            height: 616px;
            background: url(images/map.png) no-repeat;
            margin: 0 auto;
        }

        .c {
             position: absolute;
             top: 227px;
             right: 189px;
             color: #fff;
        }
        .dotted{
            width: 8px;
            height: 8px;
            background-color: #09f;
            border-radius: 50%;
        }
        .c div[class^="dc"] {
            position: absolute;
            width: 8px;
            height: 8px;
            top: 50%;
            left: 50%;
            transform: translate(-50%,-50%);
            box-shadow: 0 0 12px #009dfd;
            border-radius: 50%;
            animation: da 1.2s linear infinite;
        }
        @keyframes da {
            0% {}
               70% {
                   width: 40px;
                   height: 40px;
                   opacity: 1;
               }
               100%{
                   width: 70px;
                   height: 70px;
                   opacity: 0;
               }

        }
        .dc2{
            animation-delay: 0.4s;
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="c">
            <div class="dotted">

            </div>
            <div class="dc1"></div>
            <div class="dc2"></div>
            <div class="dc3"></div>

        </div>
    </div>
</body>

</html>